edituserinfo.aspx.vb

asp做的网上书店销售系统数据库采用sqlserver

Imports System.Data.SqlClient
Public Class EditUserInfo
    Inherits System.Web.UI.Page
    Protected WithEvents txtUserName As System.Web.UI.WebControls.TextBox
    Protected WithEvents txtTel As System.Web.UI.WebControls.TextBox
    Protected WithEvents txtAddr As System.Web.UI.WebControls.TextBox
    Protected WithEvents txtZip As System.Web.UI.WebControls.TextBox
    Protected WithEvents UpdateBtn As System.Web.UI.WebControls.LinkButton
    Protected WithEvents lbUserID As System.Web.UI.WebControls.Label
    Protected WithEvents txtEMail As System.Web.UI.WebControls.TextBox
    Protected WithEvents CompareValidator1 As System.Web.UI.WebControls.CompareValidator

    Private connstr As String = System.Configuration.ConfigurationSettings.AppSettings("ConnectionString").ToString.Trim
    Protected WithEvents CancelBtn As System.Web.UI.WebControls.LinkButton
    Private myconn As SqlConnection = New SqlConnection(connstr)

#Region " Web 窗体设计器生成的代码 "

    '该调用是 Web 窗体设计器所必需的。
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()

    End Sub

    Private Sub Page_Init(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Init
        'CODEGEN: 此方法调用是 Web 窗体设计器所必需的
        '不要使用代码编辑器修改它。
        InitializeComponent()
    End Sub

#End Region

    Private Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        '在此处放置初始化页的用户代码
        If Not IsPostBack Then
           LoadInfo()
        End If
    End Sub
    Private Sub LoadInfo()
        '读取用户信息，填充到对应的文本框中
        Dim obj As UserInfo = CType(Session("UserInfo"), UserInfo)
        txtUserName.Text = obj.UserName
        txtAddr.Text = obj.Addr
        txtTel.Text = obj.Tel
        txtZip.Text = obj.Zip
        txtEMail.Text = obj.EMail
        lbUserID.Text = obj.UserId
    End Sub
    Private Sub UpdateBtn_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles UpdateBtn.Click
        Dim sqlstr As String = "Update UserInfo set "
        sqlstr += " UserName='" + txtUserName.Text.ToString.Trim + "',"
        sqlstr += " Addr='" + txtAddr.Text.ToString.Trim + "',"
        sqlstr += " Tel='" + txtTel.Text.ToString.Trim + "',"
        sqlstr += " Zip='" + txtZip.Text.ToString.Trim + "',"
        sqlstr += " EMail='" + txtEMail.Text.ToString.Trim + "' "
        sqlstr += " where UserID=" + lbUserID.Text.ToString.Trim

        Dim cmd As SqlCommand = New SqlCommand(sqlstr, myconn)
        Try
            myconn.Open()
            cmd.ExecuteNonQuery()

        Catch
            Response.Write(sqlstr)
            Response.End()
        Finally
            myconn.Close()
        End Try

    End Sub

    Private Sub CancelBtn_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles CancelBtn.Click
        LoadInfo()
    End Sub
End Class